Alloys or metallic compositions – Zirconium or hafnium base
Reexamination Certificate
2011-07-26
2011-07-26
King, Roy (Department: 1733)
Alloys or metallic compositions
Zirconium or hafnium base
Reexamination Certificate
active
07985373
ABSTRACT:
The invention concerns an alloy containing equally 0.02 to 0.07% wt. % of the total iron, of chromium or vanadium, 0.8 to 1.3 wt. % of niobium, 100 ppm or less of tin, 1100 to 1700 ppm of oxygen, less than 100 ppm of carbon, 10 to 30 ppm of sulphur and less than 50 ppm of silicon.
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Charquet Daniel
Mardon Jean-Paul
Senevat Jean
Davidson Davidson & Kappel LLC
Framatome ANP
King Roy
Roe Jessee R.
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